THE
MEANING OF ``UNLAWFULNESS''
General
The mere fact that there is an act which
corresponds to the definitional elements
does not mean that the person who performs the act is liable for the
particular crime.
Therefore satisfying the definitional
elements is not the only general requirement for
liability. The next step in the
determination of liability is to enquire whether the act
which complies with the definitional
elements is also unlawful.
In all probability, a lay person will be
of the opinion that once it is clear that the
prerequisites for liability set out thus
far (namely that the law prohibits certain
conduct as criminal and that X had
committed an act which falls within the
definitional elements) have been complied
with, X will be liable for the crime and
may be convicted. However, a person
trained in the law will realise that there are
still two very important further
requirements that must be complied with, namely
the
requirements of unlawfulness and of culpability
The reason why, in all probability, a lay
person will be unaware of the two last mentioned requirements, is
because they are, as it were, ``unwritten'' or ``invisible'': that which is understood by
``unlawfulness'' and ``culpability'' does not (ordinarily) form part of the ``letter''
or ``visible part'' of the legal provision in question, that is, the definitional elements.
Thus if one consults the definition of a
crime in a
statute, one will normally not even come across the word ``unlawful'‘;
neither can
one necessarily expect to find words by which the culpability requirement is
expressed, such as ``intentional'' or `'negligent''. Nevertheless a
court will
never convict anybody of a crime unless it is convinced that the act
which complies
with the definitional elements is also unlawful and accompanied
by culpability
- in
other words, that the so-called ``unwritten'' or ``invisible
''requirements have
also been complied with.
Acts that comply with the definitional
elements are not
necessarily unlawful
–examples
An act
which complies with the definitional elements is not necessarily unlawful.
This will
immediately become clear if one considers the following examples:
(1) In respect of murder the definitional
elements read: ``the killing of another human being''.
Nevertheless a person is not guilty if he kills somebody in
self-defence;
his act is then not unlawful.
(2) X inserts a knife into Y's body.
Although his act may satisfy the definitional elements of
assault, it is not unlawful if X is a medical doctor who is performing an
operation on Y with Y's permission, in order to cure him of an ailment.
(3) X exceeds the speed limit while
driving his motor car. His conduct satisfies the definitional
elements of the crime of exceeding the speed limit. However,
if he
does so in order to get his gravely ill child to hospital for emergency
treatment his
conduct is not unlawful (Pretorius 1975 (2) SA 85 (SWA)).
There are many other examples of conduct
which satisfies the definitional
elements, but
is nevertheless not unlawful. It is a very familiar phenomenon that
an act
which ostensibly falls within the letter of the law (in other words which
corresponds to
the definitional elements) proves upon closer scrutiny not to be
contrary to
the law, as the examples above illustrate. In these cases the law
tolerates the
violation of the legal norm.
Content of unlawfulness
When is conduct which corresponds to the
definitional elements not unlawful? In other words, what precisely is meant by
``unlawful'' and what determines
whether an
act is unlawful?
(1) Grounds of justification
There are a number of cases or
situations, well-known in daily practice, where an act which corresponds to the definitional
elements is, nevertheless, not regarded as unlawful.
Unlawfulness is excluded because of the presence of grounds of
justification.
Some well-known grounds of justification are private defence(which
includes
self-defence), necessity, consent, official capacity, and parents‘
right of
chastisement.
The grounds of justification will
subsequently be discussed one by one. At this point it is tempting simply to define
unlawfulness as ``the absence of a ground of justification''.
However, such a purely negative definition of unlawfulness is not
acceptable, for
two reasons:
(a) All jurists agree that there is no
limited number (numerus clausus) of
grounds of
justification. If this were so, how would one determine the
lawfulness or
unlawfulness of conduct which does not fall within the
ambit of
one of the familiar grounds of justification?
(b) It should be remembered that each
ground of justification has its limits. Where an
act exceeds these limits, it is unlawful. What is the criterion for
determining the
limits of the grounds of justification?
The answer to this question is found
directly below under the next heading.
(2) Legal convictions of society
Opinions differ on the material content
of the concept of unlawfulness. We do not intend discussing the philosophical arguments
underlying the differences of opinion. The current approach (with which we
agree) is the following:
Conduct
is
unlawful if it conflicts with the boni
mores (literally ``good morals'')
or legal
convictions of society.
(Fourie 2001 (2) SACR 674 (C) 678). The law must
continually strike a balance
between the
conflicting interests of individuals, or between the conflicting
interests of
society and the individual. If certain conduct is branded unlawful by
the law,
this means that according to the legal convictions (or boni
mores) of
society certain
interests or values protected by the law (such as life, property or
dignity) are
regarded as more important than others (Clark v Hurst 1992 (4) SA630
(D) 652-653).
The contents of the Bill of Rights in chapter 2 of the Constitution
must obviously
play an important role in deciding whether conduct is in conflict
with public
policy or the community's perception of justice. The values
mentioned in
section 1 of the Constitution, namely ``human dignity, the
achievement of
equality and the advancement of human rights and freedoms‘‘ are also
of crucial importance in deciding this issue
In order to determine whether conduct is
unlawful, one must therefore enquire whether the
conduct concerned conflicts with the boni mores or legal convictions of
society. The grounds of justification must be seen as practical
aids in
the determination of unlawfulness. They merely represent those
situations encountered
most often in practice, which have therefore come to be
known as
easily-recognisable grounds for the exclusion of unlawfulness. They do
not cover
the entire subject-field of this discussion, namely of the demarcation of
lawful and
unlawful conduct.
In Fourie 2001 (2) SACR 674 (C), the facts were
the following: X is a regional-court magistrate resident in George. He has to
preside at the sessions of the regional court in Knysna. The court's session commences at 9:00.
Because of certain circumstances, he leaves George for Knysna in
his motor car somewhat late on that particular day. On the road between
George and Knysna he
is in a hurry to get to Knysna as soon as possible, and is caught in a
speed trap, which shows that he exceeded the speed limit of 80 km/h
which applied to that part of the road. On a charge of exceeding the speed limit, he
pleads not guilty. His defence is that, although he exceeded the speed limit, his
act was not unlawful.
He argued that although not one of the recognised
grounds of justification, such as private defence, was applicable to the case, his
act should nevertheless be regarded as lawful on the following ground: the act
was not in conflict with the legal convictions of the community, because by
merely striving to arrive at the court timeously he drove his car with the
exclusive aim of promoting the interests of the administration of justice. He did not
seek to promote his own private interests, but those of the state, and more
particularly those of the administration of justice.
The court dismissed this defence. If this
defence were valid, it would open the
floodgates to large-scale unpunishable
contraventions of the speed limits on our
roads. Many people would then be entitled
to allege that, since they would
otherwise be late for an appointment in connection
with a service they render to
the state, they are allowed to contravene
the speed limit. In the course of the
judgment, the court confirmed the
principle set out above that the enquiry into
unlawfulness is preceded by an inquiry
into whether the act complied with the
definitional elements, and also that the
test to determine unlawfulness is the boni
mores or legal convictions of the
community.
From what has been said above it is clear
that one has to distinguish between
(1) an act which complies with the
definitional elements, and
(2) an act which is unlawful
The act described in (1) is not
necessarily unlawful. It is only ``provisionally'‘ unlawful. Students often confuse the two
concepts. One of the reasons for the confusion is
that for the layman the word ``unlawful'' probably only means that
the act
is an infringement of the ``letter'' of the legal provision in question (i.e.
the definitional elements).
You may overcome this possible confusion by always using the
expression ``without justification'' as a synonym for ``unlawful'': an act
complying with
the definitional elements is unlawful only if it cannot be justified.
Unlawfulness distinguished from culpability
Unlawfulness is
usually determined without reference to X's state of mind.
Whether he
thought that his conduct was lawful or unlawful is irrelevant. What he
subjectively imagined to be the case comes into the picture only when the
presence of
culpability has to be determined.
We will now proceed to a discussion of
the different grounds of justification. The rest of this study unit is devoted to a
discussion of the first ground of justification, namely private
defence. In the next study unit we will deal with the remaining
grounds of
justification.
PRIVATE
DEFENCE
Definition of private defence
A person acts in private defence - and
his conduct is therefore lawful - if he uses force to repel an unlawful attack which
has already commenced, or which immediately threatens
his or somebody else's life, bodily integrity, property or
other interest
that ought to be protected by the law, provided the defensive action is
necessary to
protect the threatened interest, is directed against the attacker, and is no
more
harmful than is necessary to ward off the attack.
Colloquially this ground of justification
is often referred to as ``self-defence'', but this description is too narrow, since not only
persons who defend themselves, but also those who defend others can rely upon
this ground of justification. A person acting in
private defence acts lawfully, provided his conduct complies with the
requirements of
private defence and he does not exceed its limits.
For purposes of classification it is
convenient to divide the requirements and the most important characteristics of private
defence into two groups. The first group comprises those
requirements or characteristics with which the attack against
which a
person acts in private defence, must comply; the second comprises the
requirements with
which the defence must comply.
Private
defence requirements
(1) Requirements of attack
The attack
(a) must be unlawful
(b) must be against interests which ought
to be protected
(c) must be threatening but not yet
completed
(2) Requirements of defence
The defensive action
(a) must be directed against the attacker
(b) must be necessary
(c) must stand in a reasonable
relationship to the attack
(d) must be taken while the defender is
aware that he is acting in private defence
Requirements
of the attack
(1) The attack must be unlawful
Private defence against lawful conduct is
not possible. For this reason, a person acts unlawfully
if he attacks a policeman who is authorised by law to arrest
somebody. If
the policeman is not authorised by law to perform a particular act,
or if he
exceeds the limits of his authority, he may lawfully be resisted.
Can X
rely on private defence if he kills Y in the course of a pre-arranged duel? In
Jansen 1983
(3) SA 534 (NC) X and Y decided to ``settle their differences'' in a knife
duel.
During the fight Y first stabbed at X, and then X stabbed Y in the heart,
killing him.
The court held, quite justifiably, that X could not rely on private
defence, and
convicted him of murder. X's averting the blow was merely part of
the execution
of an unlawful attack which he had planned before hand. In deciding
whether the attack of Y (the aggressor) on X is unlawful, there are
three considerations
which should be left out of consideration. These three considerations,
marked (a) to (c) below, are the following:
(a) The attack need not be accompanied by
culpability. X can therefore act in private defence even if his act is directed
against a non-culpable act by Y. What does this mean?
(i) As will be explained in the
exposition of the culpability requirement below,
culpability implies inter alia that a person must be endowed with
certain minimum
mental abilities. If he has these mental abilities, he is
said to
have criminal capacity. Examples of people who lack these
mental abilities
and who therefore lack criminal capacity are people who
are mentally
ill (``insane'') and young children.
The requirement for private defence
presently under discussion is merely that Y's
attack must be unlawful. Since even people who lack criminal
capacity can act
unlawfully, X
can successfully rely on private defence even if
his defensive act is directed at the conduct of a mentally ill
person or a
young child (K 1956 (3) SA 353 (A)).
Thus if X is attacked by Y, he may defend
himself against Y in
private defence
even if the evidence brings to light that Y is mentally ill.
(ii) Another example of a situation in
which a person acts unlawfully but
without culpability is where a person who
does have criminal capacity
acts without intention because of a
mistake on his part.
(Again, the exclusion of intention
because of a mistake will be explained
later in the discussion of intention.)
The following is an example of such
a situation:
Y thinks that he is entitled to arrest X.
However, he is in fact not
entitled by law to do this. If Y tries to
arrest X, Y is acting unlawfully
and X is entitled to defend himself in
private defence against Y. Y's
lack of culpability does not debar X from
relying on private defence.
(iii) Since the law does not address
itself to animals, animals are not subject to the law and can therefore not act unlawfully.
For this reason X does not
act in private defence if he defends
himself or another against an attack by an animal. In such a situation X may,
however, rely on the ground of justification known
as necessity (which will be discussed below).
(b) The attack need not be directed at
the defender. X may also act in private defence to
protect a third person (Z), even if there is no family or protective
relationship between
X and Z (Patel 1959 (3) SA 121 (A)).
(c) The attack need not necessarily
consist in a positive act(commissio), despite
the fact
that it nearly always does. Although unlikely to occur often, an
omission (omissio) may
also qualify as an ``attack'', provided the other requirements for
private defence are present. An example in this respect is
that of
the convict who assaults prison warders and escapes when his term of
imprisonment has
expired but he has not yet been released.
(2) The attack must be directed against interests
which,
in the
eyes of
the law, ought to be protected
Private defence is usually invoked in
protection of the attacked party's life or physical integrity,
but in principle there is no reason why it should be limited to
the protection
of these interests. Thus the law has recognised that one can also actin
private
defence.
in
protecting property (Ex parte die Minister van Justisie: in re S v Van Wyk 1967 (1)SA 488 (A))
•in
protecting
dignity (Van Vuuren 1961
(3) SA 305 (EC))
•in
preventing
unlawful arrest (Mfuseni 1923
NPD 68) and
•in
preventing
attempted rape (Mokoena 1976
(4) SA 162 (0)).
case law regarding private defence is Ex
parte die Minister van Justisie: in
re S v Van Wyk 1967
(1) SA 488 (A). The Appeal Court not only held that, in extreme
circumstances,
a person is entitled to kill another person in defence of property,
but also
had to apply most of the requirements of private defence referred to
above.
We shall not discuss this case in detail,
as we expect you to read the judgment in this case yourself. You must know what the
interesting facts of this case were, what answers the court gave to the legal
questions posed, and what the reasons for these
answers were. However, we would like to point out that the common
law rule in
Van Wyk (i.e.
that
one may kill in defence of property) may possibly be
challenged on
the grounds that it amounts to an infringement of the
constitutional rights
of a person to life (s 11 of the Constitution) and to freedom
and security
(s 12).
An enquiry as to the constitutionality of
this rule will involve a balancing of the rights of the aggressor to his life
against the rights of the defender to his property. Legal authors have
different points of view on the question which right (that of the aggressor to
his life or that of the defender to his property) should prevail. We submit
that killing in defence of property would at least be justifiable if the
defender, at the same time as defending his property, also protected his life
or bodily integrity. (See the facts of Mogohlwane 1982 (2) SA 587 (T), discussed in (3)
hereunder.)
As far as protection of dignity is
concerned, it was held in Van Vuuren supra that a
person may
rely on private defence in order to defend someone's dignity. In this
case Y
insulted X's wife in public. Thereupon X dealt Y a few blows. The court
held that
X was not guilty of assault. There was a distinct possibility that Y would
have continued insulting
X's wife, and X wanted to prevent this.
(3) The attack must be threatening but
not yet completed
X cannot attack Y merely because he
expects Y to attack him at some time in the future. He can attack Y only if there is an
attack or immediate threat of attack by Y against him; in this case, it is, of course,
unnecessary that he wait for Y's first blow -he may defend himself by first attacking Y,
with the precise object of averting Y's first blow (Patel 1959 (3) SA 121 (A)). Private
defence is not a means of exercising vengeance;
neither is it a form of punishment. For this reason X acts unlawfully if he
attacks Y
when Y's attack upon him is already something of the past.
When automatic defence mechanisms are set
up (such as a shot-gun which will go off during the night if the shop is entered
by a thief), there is, at the time when the device is set up, no immediate threat of attack,
but the law recognises that to setup such mechanisms which will be triggered
the moment the threatened ``attack'‘ materialises may
constitute valid private defence in certain narrowly-defined circumstances.
Such a case was Van Wyk
supra, in which X, a shopkeeper whose shop was burgled repeatedly,
set a shot-gun to go off and injure prospective burglars in the
lower part of the body. One night Y broke into the shop and was
fatally wounded.
The Appeal Court held that X could rely on private defence.
In Mogohlwane 1982 (2) SA 587 (T) Y tried to take a
paper bag containing clothes,
a pair
of shoes and some food, from X. X resisted, but Y threatened X with an
axe and
gained possession of the bag. X immediately ran to his house, some 350metres
away,
fetched a table knife, returned to Y and tried to regain his
property.
When Y again threatened X with the axe, X fatally stabbed Y with his
knife, in
order to prevent him (Y) from absconding with his bag. The court
decided that
X acted in private defence: the attack on X was not completed, because when X
ran home and fetched the knife, it was part of one and the same
immediate and
continued act of resistance. X was a poor man, and the contents
of the
bag were of value to him. If Y had run off with the bag, X would never
have seen
it again.